/give @p cat_spawn_egg{EntityTag:{id:"minecraft:cat",CatType:3,CustomName:"\"Toast\"",CustomNameVisible:1,Health:1024,Attributes:[{Name:"generic.maxHealth",Base:1024},{Name:"generic.movementSpeed",Base:0.6f}],Invulnerable:1,Age:0,Owner:Under_Infinity,HandDropChances:[2F,2F],HandItems:[{id:"minecraft:cat_spawn_egg",tag:{EntityTag:{id:Cat}},Count:1},{}]}}